Re: [PATCH v3 5/5] mm/slub: do not create dma-kmalloc if no managed pages in DMA zone
From: Christoph Hellwig <hch@lst.de>
Date: 2021-12-15 07:27:52
Also in:
kexec, lkml, stable
On Tue, Dec 14, 2021 at 11:07:34AM -0600, john.p.donnelly@oracle.com wrote:
Is CONFIG_ZONE_DMA even needed anymore in x86_64 ?
Yes. There are still plenty of addressing challenged devices, mostly ISA-like but also a few PCI/PCIe ones.